(dated) Alternative form of millstone.

One of 75 counties in Arkansas, United States. County seat: Mountain View. It was named after natural stone formations.

(horse transport) A permanently emplaced stone block used to step up to a horse-drawn carriage to gain entry or exit from it

(alchemy) The phosphorescent form of baryte.

plural of heart of stone

(figuratively, idiomatic) A stonehearted character, stern or cruel nature.

Synonym of lithographic limestone

A durable yellowish sandstone with high iron oxide content.

(mineralogy) A Cornish serpentine.

Alternative spelling of stumbling stone